Hydnocarpus yatesii Merr.

Species

Angiosperms > Malpighiales > Achariaceae > Hydnocarpus

Characteristics

Tree c. 8 m; branchlets first covered with a dense, rusty-stellate tomentum, glabrescent. Leaves oblong, ± abruptly acuminate, attenuate at base, distinctly inequilateral, chartaceous to subcoriaceous, glabrous and shining above, dull and minutely stellate-pubescent on the midrib and nerves beneath, entire, (7-) 12-17 by (3-)5-7 cm; midrib and lateral nerves little prominent above, distinctly so beneath, veins +-transverse, reticulations little distinct on both sides; petiole pubescent, 8-10(-14) mm. Stipules lanceolate, acuminate, densely rusty-stellate-pubescent, 8-10 by 2 mm, rather early caducous. ♂ Cymes depauperate, all over rusty-stellate-pubescent; peduncle 5-8 mm, 2-4(-6)-branched at the apex, branches curved, up to 7 mm, each bearing 4-6 biseriate flowers. Pedicels 3-4 mm. Sepals orbicular-ovate, outer ones 1½-2 mm, inner ones slightly larger. Petals suborbicular, membranous, 2.5 mm diam., ciliate, rusty-pubescent on the back; scales broad-obovate, thick, densely pubescent on both sides, 1-1.5 mm. Filaments thickened at the base, glabrous, 1½ mm; anthers reniform, 0.6 by 1 mm. ♀ Flowers not yet known. Fruit oblong-cylindric, obtuse and obscurely 5-angled at the apex, covered with minute, irregular tubercles and a very short rusty-velvety tomentum, 9-11 by 4-5 cm. Seeds c. 18, 2-2½ cm long.
Life form -
Growth form tree
Growth support -
Foliage retention evergreen
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Lowland rain-forests, along creeks, rare and scattered, up to 450 m.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Hydnocarpus yatesii world distribution map, present in Indonesia, Malaysia, and New Zealand

Identifiers

LSID urn:lsid:ipni.org:names:365653-1
WFO ID wfo-0000926486
COL ID 3MZLY
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Hydnocarpus yatesii